[worklets] Introduce AnimationWorkletGlobalScope and ThreadedWorkletGlobalScope

third_party/WebKit/Source/core/core.gypi

 {
     'includes': [
         'core_generated.gypi',
     ],
     'variables': {
         # Files for which bindings (.cpp and .h files) will be generated
         'core_idl_files': [
             'animation/KeyframeEffect.idl',
             'animation/AnimationEffectReadOnly.idl',
             'animation/AnimationEffectTiming.idl',
@@ skipping 2293 matching lines @@
             'workers/MainThreadWorkletGlobalScope.h',
             'workers/ParentFrameTaskRunners.cpp',
             'workers/ParentFrameTaskRunners.h',
             'workers/SharedWorker.cpp',
             'workers/SharedWorker.h',
             'workers/SharedWorkerGlobalScope.cpp',
             'workers/SharedWorkerGlobalScope.h',
             'workers/SharedWorkerRepositoryClient.h',
             'workers/SharedWorkerThread.cpp',
             'workers/SharedWorkerThread.h',
+            'workers/ThreadedWorkletGlobalScope.cpp',
+            'workers/ThreadedWorkletGlobalScope.h',
             'workers/ThreadedWorkletGlobalScopeProxy.h',
             'workers/Worker.cpp',
             'workers/Worker.h',
             'workers/WorkerBackingThread.cpp',
             'workers/WorkerBackingThread.h',
             'workers/WorkerClients.cpp',
             'workers/WorkerClients.h',
             'workers/WorkerEventQueue.cpp',
             'workers/WorkerEventQueue.h',
             'workers/WorkerGlobalScope.cpp',
@@ skipping 1976 matching lines @@
             'timing/MemoryInfoTest.cpp',
             'timing/PerformanceBaseTest.cpp',
             'timing/PerformanceObserverTest.cpp',
             'workers/DedicatedWorkerTest.cpp',
             'workers/WorkerThreadTest.cpp',
             'workers/WorkerThreadTestHelper.h',
             'xml/parser/SharedBufferReaderTest.cpp',
         ],
     }
 }